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Finding the Fourth Proportional to 48,658.94, 72,982.11 and 15,382.35

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Solution

The fourth proportional to 48,658.94, 72,982.11 and 15,382.35 is: 23,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,658.94 : 72,982.11 = 15,382.35 : x
  2. Step 2: Convert to fraction form
    48,658.94/72,982.11 = 15,382.35/x
  3. Step 3: Cross multiply
    48,658.94x = 72,982.11 × 15,382.35
  4. Step 4: Simplify right side
    48,658.94x = 1,122,636,359.76
  5. Step 5: Solve for x
    x = 1,122,636,359.76/48,658.94
  6. Step 6: Final answer
    x = 23,071.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.